Barcelona and Argentina star Lionel Messi is third with 742 goals, but has played 200 fewer games than Ronaldo so far in his career.
Ronaldo will have the chance to match, and even surpass Bican’s record, when Juventus faces AC Milan in a crucial Serie A clash on Wednesday.
Despite the comfortable win over Udinese, Juventus still sits 10 points behind league leader Milan, but the Bianconeri can cut that deficit to just four points with victories on Wednesday, and in its game in hand.
Ronaldo’s double against Udinese took him to 14 Serie A goals for the season, putting him top of the domestic goalscoring charts.
The 35-year-old made his Portuguese league debut for Sporting as a 17-year-old in 2002, before going on to play for Manchester United, Real Madrid and now Juventus.
Ronaldo made his first senior appearance for the Portuguese national team the following year and has since earned 170 caps and become his country’s all-time leading goalscorer.